( Melina Mara/The Washington Post )

“I don’t believe working out should involve a treadmill.”

— Sen. John Thune, the fastest man in the Senate, who is still jogging on the Mall even in this heat, as captured by photographer Melina Mara for her Witness/Politics column.

Amy Winehouse photos (Matt Cardy/Getty Images)

In other news: Robert Ettinger, the father of cryonics died at 92, and yes, he’s been frozen. The White House woos top tweeters, but they just want to know if the president is reading their tweets.